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CVE-2026-5343: CWE-754 Improper Check for Unusual or Exceptional Conditions in Drupal SAML SSO - Service Provider

0
High
VulnerabilityCVE-2026-5343cvecve-2026-5343cwe-754
Published: Thu May 28 2026 (05/28/2026, 22:48:47 UTC)
Source: CVE Database V5
Vendor/Project: Drupal
Product: SAML SSO - Service Provider

Description

Improper Check for Unusual or Exceptional Conditions vulnerability in Drupal SAML SSO - Service Provider allows Privilege Escalation. This issue affects SAML SSO - Service Provider: from 0.0.0 before 3.1.4.

CVSS v3.1

Score 7.4high

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/28/2026, 23:33:30 UTC

Technical Analysis

This vulnerability in the Drupal SAML SSO - Service Provider module arises from an improper check for unusual or exceptional conditions (CWE-754), which can lead to privilege escalation. It affects all versions prior to 3.1.4. The issue was published on May 28, 2026, and no official fix or patch information is currently available. The vulnerability does not affect cloud services and no known exploits have been reported.

Potential Impact

Successful exploitation of this vulnerability could allow an attacker to escalate privileges within the Drupal environment using the SAML SSO - Service Provider module. This could lead to unauthorized access or elevated permissions. However, no known exploits are currently reported, and the exact impact depends on the deployment context.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor Drupal security advisories for updates. No specific temporary mitigations are provided in the available data.

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Technical Details

Data Version
5.2
Assigner Short Name
drupal
Date Reserved
2026-04-01T15:41:53.003Z
Cvss Version
null
State
PUBLISHED
Remediation Level
null

Threat ID: 6a18cd4ae29bf47b503d5666

Added to database: 5/28/2026, 11:18:34 PM

Last enriched: 5/28/2026, 11:33:30 PM

Last updated: 5/29/2026, 7:24:32 PM

Views: 50

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